What it does
- Forty-eight levels in six chapters of eight
- Tap a bolt, then another, to move the top nut onto a match or an empty bolt
- Move limits and star goals based on remaining steps
- Locked nuts that open when a neighbor bolt is a complete single color
- Toolbox slot that parks one top nut off the board
- Daily Bolts: a seeded offline layout using the device date
- Optional Undo, Extra bolt, and Hint from a local booster bag
- Sound, haptics, and colorblind patterns in Settings